//须知少时凌云志，曾许人间第一流

public class dao {

//    QueryRunner queryRunner = new QueryRunner(DbUtils.getDs());
//    public List<Student> findAllStudents() {
//        List<Student> students = null;
//        String sql = "select * from t_student";
//        try {
//            // BeanListHandlere   可以把 结果集 转为 集合
//            students = queryRunner.
//            +-(sql, new BeanListHandler<Student>(Student.class));
//
//        } catch (SQLException e) {
//            e.printStackTrace();
//        }
//        return students;
//    }

}
